42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
/**
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* Serene (simple) - A PoC lisp to collect data on Serenes concepts
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* Copyright (C) 2019-2020 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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package serene.simple.builtin;
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import serene.simple.IScope;
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import serene.simple.SNumber;
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import serene.simple.SereneException;
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public class PlusFn extends AFn {
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public String fnName() {
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return "+";
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};
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public Object eval(IScope scope) throws SereneException{
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SNumber.IOps result = (SNumber.IOps) new SNumber.LongNumber(0);
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for(Object x: this.arguments()) {
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result = (SNumber.IOps) result.add(x);
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}
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return result.value();
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}
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}
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